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Subject
- astrobiology1
- astrometric binary stars1
- astrometry1
- color1
- distance1
- exobiology1
- extrasolar planets[remove]2
- g band1
- metal abundance1
- milky way galaxy1
- near earth asteroids1
- parallaxes1
- planetary systems1
- proper motions1
- radial velocity1
- rotation1
- satellite borne instruments1
- seti1
- spectroscopic binary stars1
- spectroscopy1